Statistical data set
Figure 1: Long term trends in emissions of PM10, PM2.5, nitrogen oxides, ammonia (NH3), non-methane volatile organic compounds (NMVOCs) and sulphur dioxide in the UK: 1970 to 2022
Updated 14 February 2024
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| pollutant | year | emissions (thousand tonnes) indexed to 1970 (1980 for ammonia) |
|---|---|---|
| Ammonia | 1980 | 100 |
| Ammonia | 1981 | 99.64472599 |
| Ammonia | 1982 | 102.1540519 |
| Ammonia | 1983 | 102.4576137 |
| Ammonia | 1984 | 103.4526737 |
| Ammonia | 1985 | 102.5312376 |
| Ammonia | 1986 | 102.0715668 |
| Ammonia | 1987 | 103.2049571 |
| Ammonia | 1988 | 101.1893674 |
| Ammonia | 1989 | 99.83747588 |
| Ammonia | 1990 | 99.61134347 |
| Ammonia | 1991 | 100.7621873 |
| Ammonia | 1992 | 96.27185561 |
| Ammonia | 1993 | 94.95032462 |
| Ammonia | 1994 | 96.5383655 |
| Ammonia | 1995 | 94.80642986 |
| Ammonia | 1996 | 96.73934319 |
| Ammonia | 1997 | 99.97984237 |
| Ammonia | 1998 | 99.70477528 |
| Ammonia | 1999 | 97.44085941 |
| Ammonia | 2000 | 95.2414215 |
| Ammonia | 2001 | 94.34848196 |
| Ammonia | 2002 | 92.89402499 |
| Ammonia | 2003 | 91.35476139 |
| Ammonia | 2004 | 92.97194271 |
| Ammonia | 2005 | 90.68624341 |
| Ammonia | 2006 | 89.51722576 |
| Ammonia | 2007 | 88.25381898 |
| Ammonia | 2008 | 82.90797924 |
| Ammonia | 2009 | 83.93964423 |
| Ammonia | 2010 | 84.45648396 |
| Ammonia | 2011 | 84.40536299 |
| Ammonia | 2012 | 84.07842106 |
| Ammonia | 2013 | 82.57067734 |
| Ammonia | 2014 | 86.22447938 |
| Ammonia | 2015 | 86.91172185 |
| Ammonia | 2016 | 87.44898601 |
| Ammonia | 2017 | 88.5744574 |
| Ammonia | 2018 | 87.26629518 |
| Ammonia | 2019 | 87.00407897 |
| Ammonia | 2020 | 84.16212003 |
| Ammonia | 2021 | 86.03489797 |
| Ammonia | 2022 | 83.69170747 |
| Nitrogen oxides as NO2 | 1970 | 100 |
| Nitrogen oxides as NO3 | 1971 | 99.60866211 |
| Nitrogen oxides as NO4 | 1972 | 99.24757095 |
| Nitrogen oxides as NO5 | 1973 | 105.1348244 |
| Nitrogen oxides as NO6 | 1974 | 98.61176554 |
| Nitrogen oxides as NO7 | 1975 | 95.78024442 |
| Nitrogen oxides as NO8 | 1976 | 97.41639907 |
| Nitrogen oxides as NO9 | 1977 | 97.98778862 |
| Nitrogen oxides as NO10 | 1978 | 99.49009654 |
| Nitrogen oxides as NO11 | 1979 | 103.0656231 |
| Nitrogen oxides as NO12 | 1980 | 98.2566409 |
| Nitrogen oxides as NO13 | 1981 | 94.4809446 |
| Nitrogen oxides as NO14 | 1982 | 94.39081851 |
| Nitrogen oxides as NO15 | 1983 | 93.28414097 |
| Nitrogen oxides as NO16 | 1984 | 92.13409278 |
| Nitrogen oxides as NO17 | 1985 | 95.35628145 |
| Nitrogen oxides as NO18 | 1986 | 98.3000481 |
| Nitrogen oxides as NO19 | 1987 | 100.8190519 |
| Nitrogen oxides as NO20 | 1988 | 102.8585553 |
| Nitrogen oxides as NO21 | 1989 | 104.68463 |
| Nitrogen oxides as NO22 | 1990 | 96.74484596 |
| Nitrogen oxides as NO23 | 1991 | 94.46715516 |
| Nitrogen oxides as NO24 | 1992 | 92.37652607 |
| Nitrogen oxides as NO25 | 1993 | 87.71022617 |
| Nitrogen oxides as NO26 | 1994 | 86.53680965 |
| Nitrogen oxides as NO27 | 1995 | 83.37688805 |
| Nitrogen oxides as NO28 | 1996 | 80.14084658 |
| Nitrogen oxides as NO29 | 1997 | 74.5871318 |
| Nitrogen oxides as NO30 | 1998 | 72.70465357 |
| Nitrogen oxides as NO31 | 1999 | 69.11220822 |
| Nitrogen oxides as NO32 | 2000 | 66.73077063 |
| Nitrogen oxides as NO33 | 2001 | 65.21183983 |
| Nitrogen oxides as NO34 | 2002 | 62.05594349 |
| Nitrogen oxides as NO35 | 2003 | 61.27825452 |
| Nitrogen oxides as NO36 | 2004 | 59.55014213 |
| Nitrogen oxides as NO37 | 2005 | 59.07473006 |
| Nitrogen oxides as NO38 | 2006 | 57.30326621 |
| Nitrogen oxides as NO39 | 2007 | 55.00587004 |
| Nitrogen oxides as NO40 | 2008 | 49.40438583 |
| Nitrogen oxides as NO41 | 2009 | 43.41672173 |
| Nitrogen oxides as NO42 | 2010 | 42.44271234 |
| Nitrogen oxides as NO43 | 2011 | 39.65838304 |
| Nitrogen oxides as NO44 | 2012 | 40.51117722 |
| Nitrogen oxides as NO45 | 2013 | 38.54856002 |
| Nitrogen oxides as NO46 | 2014 | 36.12908485 |
| Nitrogen oxides as NO47 | 2015 | 34.66193253 |
| Nitrogen oxides as NO48 | 2016 | 31.30795694 |
| Nitrogen oxides as NO49 | 2017 | 30.0023675 |
| Nitrogen oxides as NO50 | 2018 | 28.66283897 |
| Nitrogen oxides as NO51 | 2019 | 26.8442002 |
| Nitrogen oxides as NO52 | 2020 | 23.10987269 |
| Nitrogen oxides as NO53 | 2021 | 22.83515499 |
| Nitrogen oxides as NO54 | 2022 | 22.03117158 |
| NMVOCs | 1970 | 100 |
| NMVOCs | 1971 | 100.2233651 |
| NMVOCs | 1972 | 97.98915696 |
| NMVOCs | 1973 | 103.5091059 |
| NMVOCs | 1974 | 99.59468863 |
| NMVOCs | 1975 | 97.78028361 |
| NMVOCs | 1976 | 100.1001803 |
| NMVOCs | 1977 | 103.2154948 |
| NMVOCs | 1978 | 104.9025475 |
| NMVOCs | 1979 | 107.6771341 |
| NMVOCs | 1980 | 104.6946266 |
| NMVOCs | 1981 | 102.9414372 |
| NMVOCs | 1982 | 103.6882221 |
| NMVOCs | 1983 | 103.6440358 |
| NMVOCs | 1984 | 97.06149402 |
| NMVOCs | 1985 | 104.1627677 |
| NMVOCs | 1986 | 108.1107172 |
| NMVOCs | 1987 | 109.9200699 |
| NMVOCs | 1988 | 112.459067 |
| NMVOCs | 1989 | 114.2832629 |
| NMVOCs | 1990 | 114.5124718 |
| NMVOCs | 1991 | 112.8442598 |
| NMVOCs | 1992 | 109.0916442 |
| NMVOCs | 1993 | 104.0044227 |
| NMVOCs | 1994 | 99.09864069 |
| NMVOCs | 1995 | 94.84044818 |
| NMVOCs | 1996 | 92.33610162 |
| NMVOCs | 1997 | 88.59546538 |
| NMVOCs | 1998 | 84.72579264 |
| NMVOCs | 1999 | 76.19032932 |
| NMVOCs | 2000 | 70.65582105 |
| NMVOCs | 2001 | 66.37222559 |
| NMVOCs | 2002 | 61.79812507 |
| NMVOCs | 2003 | 58.83098249 |
| NMVOCs | 2004 | 54.65299161 |
| NMVOCs | 2005 | 51.33301086 |
| NMVOCs | 2006 | 49.06881197 |
| NMVOCs | 2007 | 47.35806663 |
| NMVOCs | 2008 | 43.73546008 |
| NMVOCs | 2009 | 39.83122808 |
| NMVOCs | 2010 | 38.69479588 |
| NMVOCs | 2011 | 37.59840869 |
| NMVOCs | 2012 | 37.02066832 |
| NMVOCs | 2013 | 35.78037334 |
| NMVOCs | 2014 | 35.03882446 |
| NMVOCs | 2015 | 34.95833859 |
| NMVOCs | 2016 | 34.2720041 |
| NMVOCs | 2017 | 34.6326094 |
| NMVOCs | 2018 | 35.55630988 |
| NMVOCs | 2019 | 34.81016903 |
| NMVOCs | 2020 | 33.54433188 |
| NMVOCs | 2021 | 32.81571429 |
| NMVOCs | 2022 | 31.29975609 |
| PM10 | 1970 | 100 |
| PM10 | 1971 | 91.98165011 |
| PM10 | 1972 | 81.36546704 |
| PM10 | 1973 | 84.82977361 |
| PM10 | 1974 | 77.11811408 |
| PM10 | 1975 | 73.09666911 |
| PM10 | 1976 | 71.41607795 |
| PM10 | 1977 | 70.58037653 |
| PM10 | 1978 | 69.12693622 |
| PM10 | 1979 | 69.5827289 |
| PM10 | 1980 | 64.04883225 |
| PM10 | 1981 | 61.43936306 |
| PM10 | 1982 | 60.10657665 |
| PM10 | 1983 | 59.26957169 |
| PM10 | 1984 | 52.98300475 |
| PM10 | 1985 | 58.4926661 |
| PM10 | 1986 | 60.15753856 |
| PM10 | 1987 | 58.8128124 |
| PM10 | 1988 | 57.67821006 |
| PM10 | 1989 | 57.96486626 |
| PM10 | 1990 | 54.61991443 |
| PM10 | 1991 | 54.246723 |
| PM10 | 1992 | 51.02225978 |
| PM10 | 1993 | 47.17172962 |
| PM10 | 1994 | 44.30947237 |
| PM10 | 1995 | 40.62320457 |
| PM10 | 1996 | 40.35372682 |
| PM10 | 1997 | 37.89683438 |
| PM10 | 1998 | 35.84999159 |
| PM10 | 1999 | 34.80706978 |
| PM10 | 2000 | 32.79860608 |
| PM10 | 2001 | 33.35058189 |
| PM10 | 2002 | 29.02543895 |
| PM10 | 2003 | 30.73048465 |
| PM10 | 2004 | 28.31190593 |
| PM10 | 2005 | 27.58385959 |
| PM10 | 2006 | 26.8575486 |
| PM10 | 2007 | 25.03448178 |
| PM10 | 2008 | 22.5522489 |
| PM10 | 2009 | 20.81610063 |
| PM10 | 2010 | 22.30448018 |
| PM10 | 2011 | 20.5748618 |
| PM10 | 2012 | 19.83644858 |
| PM10 | 2013 | 20.81027088 |
| PM10 | 2014 | 20.02047258 |
| PM10 | 2015 | 19.78763441 |
| PM10 | 2016 | 20.02635703 |
| PM10 | 2017 | 20.81527183 |
| PM10 | 2018 | 20.22272897 |
| PM10 | 2019 | 19.66546081 |
| PM10 | 2020 | 17.36463972 |
| PM10 | 2021 | 18.24599096 |
| PM10 | 2022 | 18.37391777 |
| PM2.5 | 1970 | 100 |
| PM2.5 | 1971 | 88.64903727 |
| PM2.5 | 1972 | 77.83721964 |
| PM2.5 | 1973 | 79.18828308 |
| PM2.5 | 1974 | 73.46590337 |
| PM2.5 | 1975 | 64.9370901 |
| PM2.5 | 1976 | 63.70889647 |
| PM2.5 | 1977 | 63.24233156 |
| PM2.5 | 1978 | 60.81717597 |
| PM2.5 | 1979 | 62.19864722 |
| PM2.5 | 1980 | 55.17591413 |
| PM2.5 | 1981 | 52.52082305 |
| PM2.5 | 1982 | 51.66876193 |
| PM2.5 | 1983 | 49.91486389 |
| PM2.5 | 1984 | 45.03866431 |
| PM2.5 | 1985 | 49.60396031 |
| PM2.5 | 1986 | 51.62373731 |
| PM2.5 | 1987 | 47.46697947 |
| PM2.5 | 1988 | 46.51254233 |
| PM2.5 | 1989 | 45.92101155 |
| PM2.5 | 1990 | 42.88382526 |
| PM2.5 | 1991 | 42.65483088 |
| PM2.5 | 1992 | 40.82901856 |
| PM2.5 | 1993 | 38.01115463 |
| PM2.5 | 1994 | 36.00064866 |
| PM2.5 | 1995 | 32.36490614 |
| PM2.5 | 1996 | 31.63410439 |
| PM2.5 | 1997 | 30.03232829 |
| PM2.5 | 1998 | 28.49974234 |
| PM2.5 | 1999 | 27.70088919 |
| PM2.5 | 2000 | 24.95545775 |
| PM2.5 | 2001 | 24.40845348 |
| PM2.5 | 2002 | 21.32154601 |
| PM2.5 | 2003 | 20.98623446 |
| PM2.5 | 2004 | 20.35622584 |
| PM2.5 | 2005 | 20.05851265 |
| PM2.5 | 2006 | 19.77206705 |
| PM2.5 | 2007 | 18.36457463 |
| PM2.5 | 2008 | 16.6674775 |
| PM2.5 | 2009 | 15.20565925 |
| PM2.5 | 2010 | 15.58327765 |
| PM2.5 | 2011 | 14.43992864 |
| PM2.5 | 2012 | 14.52470787 |
| PM2.5 | 2013 | 14.48907 |
| PM2.5 | 2014 | 13.84671996 |
| PM2.5 | 2015 | 13.69049658 |
| PM2.5 | 2016 | 13.34164444 |
| PM2.5 | 2017 | 13.3982779 |
| PM2.5 | 2018 | 13.49394421 |
| PM2.5 | 2019 | 12.86577727 |
| PM2.5 | 2020 | 11.70142117 |
| PM2.5 | 2021 | 12.09892199 |
| PM2.5 | 2022 | 11.88965266 |
| Sulphur dioxide | 1970 | 100 |
| Sulphur dioxide | 1971 | 94.73848044 |
| Sulphur dioxide | 1972 | 90.90876272 |
| Sulphur dioxide | 1973 | 93.41884556 |
| Sulphur dioxide | 1974 | 85.60624883 |
| Sulphur dioxide | 1975 | 81.31908024 |
| Sulphur dioxide | 1976 | 78.62831057 |
| Sulphur dioxide | 1977 | 78.52168275 |
| Sulphur dioxide | 1978 | 79.2390929 |
| Sulphur dioxide | 1979 | 84.19332532 |
| Sulphur dioxide | 1980 | 74.52168351 |
| Sulphur dioxide | 1981 | 67.67440911 |
| Sulphur dioxide | 1982 | 64.76252988 |
| Sulphur dioxide | 1983 | 59.7775522 |
| Sulphur dioxide | 1984 | 57.51614692 |
| Sulphur dioxide | 1985 | 57.84557084 |
| Sulphur dioxide | 1986 | 60.06390605 |
| Sulphur dioxide | 1987 | 59.82018413 |
| Sulphur dioxide | 1988 | 58.89539232 |
| Sulphur dioxide | 1989 | 57.13023555 |
| Sulphur dioxide | 1990 | 54.76314808 |
| Sulphur dioxide | 1991 | 53.71456293 |
| Sulphur dioxide | 1992 | 52.26600788 |
| Sulphur dioxide | 1993 | 47.45391713 |
| Sulphur dioxide | 1994 | 43.04335864 |
| Sulphur dioxide | 1995 | 38.73522833 |
| Sulphur dioxide | 1996 | 32.94684104 |
| Sulphur dioxide | 1997 | 26.80622696 |
| Sulphur dioxide | 1998 | 26.78808174 |
| Sulphur dioxide | 1999 | 20.79203805 |
| Sulphur dioxide | 2000 | 19.79605935 |
| Sulphur dioxide | 2001 | 18.68239603 |
| Sulphur dioxide | 2002 | 16.83307394 |
| Sulphur dioxide | 2003 | 16.38355919 |
| Sulphur dioxide | 2004 | 13.7850297 |
| Sulphur dioxide | 2005 | 11.9672647 |
| Sulphur dioxide | 2006 | 11.31921148 |
| Sulphur dioxide | 2007 | 9.913814431 |
| Sulphur dioxide | 2008 | 8.3769674 |
| Sulphur dioxide | 2009 | 6.92997221 |
| Sulphur dioxide | 2010 | 7.053812872 |
| Sulphur dioxide | 2011 | 6.537842883 |
| Sulphur dioxide | 2012 | 7.299821513 |
| Sulphur dioxide | 2013 | 6.33250948 |
| Sulphur dioxide | 2014 | 5.185277345 |
| Sulphur dioxide | 2015 | 4.071405387 |
| Sulphur dioxide | 2016 | 2.978076202 |
| Sulphur dioxide | 2017 | 2.869493091 |
| Sulphur dioxide | 2018 | 2.646356319 |
| Sulphur dioxide | 2019 | 2.345140419 |
| Sulphur dioxide | 2020 | 1.971876868 |
| Sulphur dioxide | 2021 | 1.802887382 |
| Sulphur dioxide | 2022 | 1.840340316 |